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    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

    <style>
    .h1{color: rgb(33, 9, 189);}
    .h2{color: deeppink;}
    .h3{color: rgb(20, 228, 255);}
    .h4{color: forestgreen;}
    .h5{color: maroon;}
    .color1{color: olivedrab;width: 0%;}
    .color2{color: navy;}
    
    </style>

</head>
<body>
<div>
    <h1 class="h1">123</h1>
    <h2 class="h2">456</h2>
    <h3 class="h3">456</h3>
    <h4 class="h4">567</h4>
    <h5 class="h5">567</h5>
</div>



<div class="color1">qwer</div>

<span class="color2">6787</span>

</body>
</html>